Samsung v25 shutdown

When I switch off my laptop it goes right down to "Saving your Settings" abut does not shut off and I have to crash the laptopa and reboot before I can then switch off an you offer any explanation please

Do not complete the following procedure unless you are very
familiar with internal computer hardware removal and installation. The hardware
components in a computer are very sensitive to static electricity. For
information about the correct handling of computer components, contact your
computer manufacturer.
1.
Shut down your computer, and then remove all the Peripheral
Component Interconnect (PCI) devices.
2.
Restart your computer.
•
If Windows starts successfully, shut down your
computer, and then reinstall the PCI devices one at a time. Start Windows
after the installation of each device. When you install a device that causes
the issue that is described in the "Symptoms" section, remove that device, and then continue to install the other PCI
devices.
•
If Windows does not start successfully, remove one or
more of the memory modules that are installed in your computer. Leave sufficient
RAM for your computer to start and run Windows XP.

For example, if two 256-MB memory
modules are installed in your computer, remove one of the memory modules. If
Windows starts successfully, shut down the computer, and then reinstall the RAM
modules one at a time. Start Windows after the installation of each RAM
module. When you install a module that causes the issue
that is described in the "Symptoms" section, remove that
module, and then continue to install the other RAM modules.
3.
Determine if the PCI devices in your computer are
compatible with Windows XP. To do this, visit the following Microsoft Hardware
Compatibility List (HCL) Web site:
http://www.microsoft.com/whdc/hcl/default.mspx

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It will because when you unplug the Power cable, it will automatically switch battery mode. When in battery mode it also activates a kind of Power saving mode by default. Thats why it seems dark. Now if still want to brightness then remove adjust the brightness level while the laptop is on Battery Mode but i must tell you, your battery backup won't last too long.

There could be an issue with the user accounts logins. This could be corruption in the OS when you installed it or a clashing driver . I would recommend you reinstall the Operating System with the Disks and before you start installing the drivers try to shut down and see if it shuts down properly . If it does then you know the Operating system and hardware is all fine and can continue installing one driver at a time and shutdown and restarting, continue doing this until you see which driver is causing a confict with your system. I have had a problem similar to this but it was some windows updates pack that I had done one time and had to reinstall windows too and do one by one. Hope my answer gets you closer to a solution.

Here are a couple of tips that I've collected that may address your problem.

Go to start>run>then
type in "cmd" without the quotes. this will bring up the command
prompt. next type in the following command: "shutdown -s" without the
quotes again. This should tell your system to shutdown your computer entirely. NextTry doing this. Hold down
"ctrl" and left click "shutdown". This skips some windows
XP shutdown procedure and should do the trick.And, finallyhttp://support.microsoft.com/?kbid=831431You cannot log off, restart, or shut down
your Windows XP-based computerThis article talks about an
issue with Norton 2003 incompatibility.

Would appreciate any feedback as to which of these worked for you.Thanks much!Ron-